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प्रश्न
Classify the following into levers:
Wheel barrow
पर्याय
Class I
Class II
Class III
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उत्तर
Class II
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संबंधित प्रश्न
State whether the following statement is True or False.
All levers are force multipliers.
Which class of lever has the mechanical advantage always more than 1? Give an example.
Name the class to which the following lever belong:
an oar rowing a boat.
Name the class to which the following lever belong:
a see-saw
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
How can you increase the mechanical advantage of a lever?
Name the machine to which the following belong:
Beam balance
In a lever, the fulcrum is at one end at a distance of 30 cm from the load and effort is at the other end at a distance of 90 cm from the load. Find :
(a) the length of load arm,
(b) the length of effort arm, and
(c) the mechanical advantage of the lever.
Explain why the mechanical advantage of a class II of lever is always more than 1.
Differentiate Class I lever and Class II lever.
